def __init__(self, data):
self.huffval = create_array([], 4)
self.valptr = create_array([], 4)
self.mincode = create_array([], 4)
self.maxcode = create_array([], 4)
self.zz = create_array(0, 64)
self.qnt = create_array(0, 4, 64)
self.data = EmbedData(data)
self.size = len(self.data)
self.ri = 0
while True:
if self.get_byte() == 255:
b = self.get_byte()
if b == 192:
self.sof0()
elif b == 196:
self.dht()
elif b == 219:
self.dqt()
elif b == 217 or b == 218:
break
elif b in self.APP:
self.skip_variable()
elif b == self.DRI:
self.dri()
def compress(self, embedded_data=None, password='******'):
self.embedded_data = EmbedData(
embedded_data) if embedded_data else None
self.password = password
self.write_headers()
self.write_compressed_data()
self.write_eoi()
self.out.flush()
